ClassID:

222506

H03M3/386 - CPC Classification

Classification description:

Conversion of analogue values to or from differential modulation; Delta-sigma modulation; Calibration over the full range of the converter, e.g. for correcting differential non-linearity

Sub-classes:
Recent Application in this class:
#1
20250350295
2025-11-13

DETECTOR

#2
20250038758
2025-01-30

SYSTEM FOR AND METHOD OF ANALOG TO DIGITAL CONVERSION USING CALIBRATION

#3
20230006687
2023-01-05

Signal generation apparatus and linearity correction method thereof

#4
20190326925
2019-10-24

Apparatus for overload recovery of an integrator in a sigma-delta modulator

#5
20190222223
2019-07-18

Input path matching in pipelined continuous-time analog-to-digital converters

#6
20190173485
2019-06-06

Apparatus for overload recovery of an integrator in a sigma-delta modulator

#7
20170288692
2017-10-05

Apparatus for overload recovery of an integrator in a sigma-delta modulator

#8
20160269045
2016-09-15

Input path matching in pipelined continuous-time analog-to-digital converters

#9
20160072520
2016-03-10

Sampling/quantization converters

#10
20160065236
2016-03-03

Delta-sigma modulator

#11
20140368366
2014-12-18

Mostly-digital open-loop ring oscillator delta-sigma ADC and methods for conversion

#12
20120200437
2012-08-09

Delta-sigma modulator and signal processing system

#13
20120169521
2012-07-05

Calibration of time constants in a continuous-time delta-sigma converter

#14
20110309959
2011-12-22

Method for improving the resolution and for correcting distortions in a sigma-delta modulator, and sigma-delta modulator implementing said method

#15
20110122005
2011-05-26

Method to linearize the output from an ADC

#16
20100219997
2010-09-02

Continuous-time sigma-delta analog-to-digital converter with capacitor and/or resistance digital self-calibration means for RC spread compensation

#17
20100176976
2010-07-15

Calibration circuit and method for A/D converter

#18
20090102689
2009-04-23

Multiple mode sigma-delta modulator

#19
20090085785
2009-04-02

DIGITAL-TO-ANALOG CONVERTER CALIBRATION FOR MULTI-BIT ANALOG-TO-DIGITAL CONVERTERS

#20
20090085784
2009-04-02

Integrated circuit comprising a plurality of digital-to-analog converters, sigma-delta modulator circuit, and method of calibrating a plurality of multibit digital-to-analog converters

#21
20060120163
2006-06-08

Current mirror with programmable floating gate

#22
20060119500
2006-06-08

Digital-to-analog converter with programmable floating gate

#23
20060119499
2006-06-08

Analog-to-digital converter with programmable floating gate

#24
20050285763
2005-12-29

Hybrid tuning circuit for continuous-time sigma-delta analog-to-digital converter

#25
20050275577
2005-12-15

Method and apparatus for operating a pipelined ADC circuit

#26
14977341
2017-01-31

Single amplifer bi-quad sigma-delta modulator

#27
14474945
2016-01-26

Methods and apparatus for offline mismatch removal in sigma delta analog-to-digital converters